12:14pm – Will be updating with results as they become official. One of the most exciting Boston Marathons of all-time. Great day for Mutai, Killel, Davila and Hall.

12:05pm – Here comes Ryan Hall in 4th place with an amazing time, fastest USA time ever of 2:04:58. Amazing day for Hall. He had left his coach in the past year to train himself. Whatever he is doing appears to be working.

12:00pm – ONE MILE TO GO FOR THE MEN. Will it be Mutai or Mosop in his marathon debut?

11:58am – Mutai and Mosop continue to battle head-t0-head for the men at the 1:58:00 mark. It looks like a course record will fall again.

11:55am – Kenya’s Caroline Kilel wins the 115th Boston Marathon with a time of 2:22:36. American Desiree Davila finished in a very strong second. Kenya’s Timbilili finishs back in third.

11:55am – Killel has a last kick left and looks as if she is going to win the 115th Boston Marathon for the women.

11:54am – HERE COMES DESIREE DAVILA. 300 Meters to go.

11:53am – Davila is back in third but not dead yet. Here she goes and passes both women for the lead. She is kicking to hold it. One Kenyan has fallen off. Killel has retaken the lead. It looks like it will be either Davila or Killel.

11:51am – Moses Mosop, currently in the lead, is running his marathon debut today.

11:50am – Mutai and Mosop are currently 1-2 for the men.

11:48am – (F) 1985 was the last time an American woman won the Boston Marathon.

11:47am – (F) Davila is still in the lead at the 2:16:00 mark at the Citgo sign.

11:45am – Hall is 57 seconds behind Mutai.

11:44am – (F) Davila skips water as Killel and Timbilili grab fluids. She takes the lead with the move.

11:43am – (F) Davila is in the lead of a pack of three that includes herself, Killel, and Timbilili.

11:42am – Mutai’s 20 mile time 1:34:05 (4:32)

11:40am – Geoffrey Mutai has taken the lead and left everyone behind. He has about a 8 second lead currently.

11:39am – (F) Davila is still in the lead at 2:07:00. Killel might be holding back a bit to out sprint her at the end.

11:17am – The head of the male field is as follows Daba, Mutai, R.K Cheruiyot, and Kipchumba. They are 1 hour 17 minutes in. Approximately 48 minutes to go.

11:16am – Chris Estes hit the 10K mark at 45:13 (7:16 pace)

11:15am – (F) Smith has now been passed by 5 runners. She had a great race up until this point at 1:43:05.

11:13am – Daba and several guys took off with Daba to put Ryan Hall in their dust. Hall is back 10 runners back now and several seconds. Daba is really pushing the pace now.

11:11am – BREAKING: (F) Kim Smith is injured. She pulled up lame for a bit but is back running and trying to work through it. No way she can for the remainder. It looked a good bit more severe than just a cramp.

11:09am – (F) Smith looks like she is starting to labor a bit as the field continues to close in on her. It doesn’t look like she will be able to hold onto the lead for the next 44 minutes.

11:06am – Hall hit 20K at 58:42.

11:06am – (F) Smith’s lead is down to 36 seconds.

11:05am – (F) The pack is starting to narrow Kim Smith’s lead. We will know soon if she burned too much energy over the first 25K.

11:04am – (F) American Kara Goucher is fading a bit. She is about 15 runners back in the women’s field. This is her first marathon since having a baby.

10:59am – Ryan Hall doing his best Hulk Hogan impersonation trying to amp up the girls of Wellesley College to get louder as the elite men run through.

9:20am – Run It Fast contributors and readers we will be keeping up with throughout the live blog will include Chris Estes (pictured above), Dallas Smith, Jeff Matlock, Kenneth Williams, and Josh Hite among others.